SkDrawable.h

/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkDrawable_DEFINED
#define SkDrawable_DEFINED

#include "SkFlattenable.h"

class SkCanvas;
class SkMatrix;
class SkPicture;
struct SkRect;

class SkDrawable : public SkFlattenable {
public:
    SkDrawable();

    void draw(SkCanvas*, const SkMatrix* = NULL);
    void draw(SkCanvas*, SkScalar x, SkScalar y);

    SkPicture* newPictureSnapshot();

    uint32_t getGenerationID();

    SkRect getBounds();

    void notifyDrawingChanged();

    SK_DEFINE_FLATTENABLE_TYPE(SkDrawable)
    Factory getFactory() const override { return nullptr; }

protected:
    virtual SkRect onGetBounds() = 0;
    virtual void onDraw(SkCanvas*) = 0;
    
    virtual SkPicture* onNewPictureSnapshot();

private:
    int32_t fGenerationID;
};

#endif